Understand what is happening in your supply chain, identify where the risk sits, and collect the data your own reporting depends on, through a structured process that works for you and is proportionate for your suppliers. Your supply chain holds a significant share of your sustainability exposure, and getting supply chain reporting right now means building a structured, evidence-based process. SustainLab supports your organisation in setting up a process to collect data from your top-tier suppliers in a simple way.
“We have thousands of suppliers, both locally and globally. We need control – but also insights to make better decisions.”
Wilzéns
Fact summary: supplier data, the value-chain cap and CSDDD
Latest update: 4 November 2026
Value-chain cap: from financial years starting on or after 1 January 2027, CSRD reporters cannot require suppliers with up to 1,000 employees to provide more than the EU voluntary standard (VS) Annex II sets out.
CSDDD scope after Omnibus: EU companies with more than 5,000 employees and over EUR 1.5 billion in global net turnover, and non-EU companies with over EUR 1.5 billion in EU turnover.
CSDDD timeline: national law by 26 July 2028, compliance from 26 July 2029, and annual statements for financial years starting on or after 1 January 2030.
Scope 3: supplier data feeds scope 3 category 1 (purchased goods and services) under the GHG Protocol.
Smaller suppliers: CSDDD does not apply to them directly, but they may receive due diligence questions from larger customers that are in scope.
Official sources: Omnibus I Directive (EU) 2026/470 · VS, Delegated Regulation (EU) 2026/1560
How Supplier Assessment Works: From Scoping to Audit-Ready Records
Your customer success manager works with you to scope your supplier network, agree what data to request from each tier, and design requests before anything goes out. Questionnaires are sent through the platform, progress is tracked centrally, and your team can support suppliers disclosing directly in the system. Responses feed into scoring logic, with dashboards showing risk distribution across your supplier base so you know where to focus attention.
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You have a documented view of sustainability performance across your supplier base.
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Your supplier data is structured and traceable.
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Supplier data can be visualised, and shared across your organisation to support collaboration internally.
Your Supplier Asessment clear for review
Collect and assess your top tier suppliers using standard or tailored questionaires.
SustainLab supports with data strategy, engagement and risk-scoring.
See your supplier landscape from a sustainability lens.
Combine Supplier Assessment with our other solutions
Our solutions cover a broad scope of sustainability data and reporting, from GHG calculations and ESRS disclosures to supplier assessments and investor frameworks. Each one combines platform technology with human sustainability expertise, so you get a working setup, not just a tool. Start with what is most relevant today and add more as your obligations and ambitions grow. Read more about each of our solutions below!
Services
Modular sustainability services designed to complement your platform and build your internal capability over time.
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GHG Calculations and Climate Reporting
Calculate your Scope 1, 2, and 3 emissions accurately with verified emission factors, and methodology documentation.
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Custom Frameworks
Build a custom reporting setup for investors, customers or specific frameworks . Collect data once, structure once, and use across all your frameworks.
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Who is this solution for?
Supplier assessment is relevant for any organisation that sources from a broad supplier base and needs to understand, document, and communicate sustainability performance across that chain. If supplier data is currently collected ad hoc through email chains and spreadsheets, this solution brings that process into a structured, auditable system.
Do you want to know more?
Sustainability reporting is complex, and most organisations are figuring it out while managing everything else at the same time. SustainLab gives you a data-first platform and a team of sustainability experts who work with you from day one — so you get a working setup, not just a tool to figure out on your own. Whether you are just getting started or looking to strengthen what you already have, we will help you find the right solution for where you are right now.
Talk to our team
Get expert guidance tailored to your organisation. Whether you’re starting from scratch or refining your current set-up, we’ll help you navigate requirements, avoid common pitfalls, and move forward with confidence.
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Book a demo
See the platform in action with examples relevant to your industry and reporting situation. A demo gives you a clear picture of what working with SustainLab looks like in practice, with reference to your unique challenges, needs and ambitions.
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